賺便當錢20點,扣掉成本10點

+1 out @ 7802,(0)

stoped @ 7804 -1, (1)

7807+2, stop 7803, (2)

7794+1,stop7790,(1)

stop7792+2,(0)

7790 -1,stop7793,(-2)

7892-1,stop 7896,(-1)

stop 7801,(0)

7806 +1,stop 7801,(1)